96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
// Copyright (c) Samuel Kahn (samuel@kahncode.com). All Rights Reserved.
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#include "K2Node_JsonToStruct.h"
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#include "BlobFunctionLibrary.h"
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#include "BlueprintActionDatabaseRegistrar.h"
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#include "BlueprintFieldNodeSpawner.h"
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#include "EdGraphSchema_K2.h"
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#include "EdGraphUtilities.h"
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#include "EditorCategoryUtils.h"
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#include "K2Node_CallFunction.h"
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#include "KismetCompiler.h"
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#define LOCTEXT_NAMESPACE "K2Node_JsonToStruct"
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//////////////////////////////////////////////////////////////////////////
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// UK2Node_JsonToStruct
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void UK2Node_JsonToStruct::AllocateDefaultPins()
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{
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Super::AllocateDefaultPins();
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UEdGraphNode::FCreatePinParams StringPinParams;
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StringPinParams.bIsConst = true;
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StringPinParams.bIsReference = true;
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CreatePin(EGPD_Input, UEdGraphSchema_K2::PC_String, FName(TEXT("JsonString")), StringPinParams);
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UEdGraphNode::FCreatePinParams StructPinParams;
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StructPinParams.bIsConst = false;
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StructPinParams.bIsReference = true;
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CreatePin(EGPD_Input, UEdGraphSchema_K2::PC_Wildcard, FName(TEXT("Struct")), StructPinParams);
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}
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FText UK2Node_JsonToStruct::GetNodeTitle(ENodeTitleType::Type aTitleType) const
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{
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if (CachedNodeTitle.IsOutOfDate(this))
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{
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CachedNodeTitle.SetCachedText(LOCTEXT("JsonToStruct_Title", "Json To Struct"), this);
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}
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return CachedNodeTitle;
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}
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FText UK2Node_JsonToStruct::GetTooltipText() const
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{
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if (CachedTooltip.IsOutOfDate(this))
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{
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CachedTooltip.SetCachedText(LOCTEXT("JsonToStruct_Tooltip", "Writes a json string into a struct (passed by reference)"), this);
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}
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return CachedTooltip;
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}
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FSlateIcon UK2Node_JsonToStruct::GetIconAndTint(FLinearColor& outColor) const
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{
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static FSlateIcon Icon("EditorStyle", "GraphEditor.BreakStruct_16x");
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return Icon;
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}
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void UK2Node_JsonToStruct::ExpandNode(class FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph)
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{
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// This is where the node is implemented, calls UBinaryBlobFunctionLibrary::JsonToStruct
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Super::ExpandNode(CompilerContext, SourceGraph);
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if (StructType)
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{
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UEdGraphPin* InJsonStringPin = FindPin(TEXT("JsonString"));
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UEdGraphPin* InStructPin = GetStructPin();
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UK2Node_CallFunction* PinCallFunction = CompilerContext.SpawnIntermediateNode<UK2Node_CallFunction>(this, SourceGraph);
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const UFunction* Function = UBlobFunctionLibrary::StaticClass()->FindFunctionByName(
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GET_FUNCTION_NAME_CHECKED(UBlobFunctionLibrary, JsonToStruct));
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PinCallFunction->SetFromFunction(Function);
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PinCallFunction->AllocateDefaultPins();
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UEdGraphPin* JsonStringPin = PinCallFunction->FindPinChecked(TEXT("JsonString"));
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CompilerContext.MovePinLinksToIntermediate(*InJsonStringPin, *JsonStringPin);
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UEdGraphPin* StructPin = PinCallFunction->FindPinChecked(TEXT("OutStruct"));
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// Set the type of the OutRow pin on this expanded mode to match original
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StructPin->PinType = InStructPin->PinType;
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StructPin->PinType.PinSubCategoryObject = InStructPin->PinType.PinSubCategoryObject;
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CompilerContext.MovePinLinksToIntermediate(*InStructPin, *StructPin); // struct pin out is not recognized properly
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// Move execution pin links
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CompilerContext.MovePinLinksToIntermediate(*GetThenPin(), *(PinCallFunction->GetThenPin()));
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CompilerContext.MovePinLinksToIntermediate(*GetExecPin(), *(PinCallFunction->GetExecPin()));
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}
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// Break any links to the expanded node
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BreakAllNodeLinks();
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}
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#undef LOCTEXT_NAMESPACE
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